I really need help on these please help asap

What are the types of mutations, and how does each alter the encoded protein? college level answer

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain